C++11 implementations of standard components added in later C++ standards.
Function object wrappers for deferred calls or callbacks.
Open-methods are virtual functions that exist outside of classes, as free-standing functions. They make it possible to add polymorphic behavior to existing classes, without modifying them. This implementation supports single and multiple dispatch.
A deterministic failure handling library partially simulating lightweight exceptions.
Boost.Parameter Library - Write functions that accept arguments by name.